Mayweather was never a knock out artist like Paq. Plus power is one of the last things to go. He goes from getting knocked out by flyweights to breaking the sockets on Jr. Middleweights.
That's your explanation? Really? First it was because he moved up in weight like it's never been unheard of, now because he hasn't KO'd anyone since Cotto? Look at the guys he's fought since Cotto
Clottey - a walking tree stump with turtle shell defense, nobody has ever KO'd him, nobody probably ever will
Margarito - tough as nails SOB, can take punishment like no other
Mosley - ran for dear life after Pac knocked him down
JMM 2x - he got robbed in one, KO'd Pac in the next one, I don't see how Pac was supposed to KO him
Rios - another tough as nails SOB, Pac fought cautiously after coming back from that KO loss
Bradley 2x - elite fighter, lost both fights but nobody was expecting him to get KO'd
Algieri - found out he's tough as nails, took Provodnikov's best blows and came back and also took Pac's best and kept coming.
So I still fail to see how zero KO's = no more PED's
If that's the case has Mayweather also stopped juicing? When was his last clear KO? (not the Ortiz sucker punch) Hatton 2007?
Pac at age 17 was flyweight, now in his 30s is welter weight with no KO's since 2009, He was on PEDs
Mayweather at age was 17 a flyweight, now in his 30s is a welter weight, no KO's since 2007, oh he's clean. Riiiiiiight